Ongoing CPC projects (as of 20 February 2025)

The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. The outcome of these projects will be summarized in a Notice of Change pre-released one month before the corresponding changes are implemented in the CPC scheme.

Project 

Status

CPC

Title

RP12401

Active

A01K

Fish-hooks; Artificial baits for fishing

RP11659

Active

A01K, A61D

Animal husbandry

RP10480

Active

A41G

ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS

MP11897

Active

A61B

Removal of non limiting references from scheme

RP11992

Active

A61G

TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS

RP11991

Active

A61J

CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES

RP11785

Active

A61K

Changes to A61K41

RP12262

Active

A61K

A61K48 Gene Therapy

MP12696

Active

A61K

Follow-up RP12360

MP11676

Active

A61K

Definitions A61K9 and A61K47

RP10468

Active

A61K, Y10S

Bacterial antigens

RP11946

Active

A61M

Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way

MP12708

Active

A61M, B05B, B60G, B66B, B67C, E05B, F16D, G03B, G05B, G06F, G07F, G08B, H03H, H03J, H04B, H04N

[IPC2025.01](M837) Review the use of terminology "master/slave"

MP12503

Active

A61M, B23D, B60C

Various - correction of CPC only notes in scheme lacking curly brackets

RP12149

Active

A63B, A63C

SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE

RP11802

Active

B01J

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof

MP10332

Active

B01J

C-SETS

MP11959

Active

B01L

Removal of additional NLR 

RP11745

Active

B05B

Spraying apparatus

RP11955

Active

B08B

Cleaning

RP12170

Active

B21C

MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL

RP11669

Active

B32B, D01D, D04H

Deleting outdated Warnings and not used groups in D04H 

MP12700

Active

B60K

[IPC2025.01](F170) Instrumentation or dashboards for vehicles

RP11836

Active

C04B

Fillers for mortars, concrete or artificial stone

MP12313

Active

C07D

Heterocyclic Compounds Guidance Headings

RP12293

Active

C07F

Housekeeping in C07F7 and C07F9

MP11852

Active

C07G

C07G scheme and definition changes

RP11530

Active

C07K

Peptides: Peptides having more than 20 amino acids, and Immunoglobulins; Ion Channels (C07K14)

RP12019

Active

C08C

C08C19 Scheme and definitions

RP12030

Active

C08G

Polysiloxanes C08G77

RP11804

Active

C10M, C10N

To clarify what classifies in C10M & C10N

RP11657

Active

C12N

C12N9 IPC alignment

MP12018

Active

C12N

Mutation or genetic engineering

MP12179

Active

C12Q

MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS

MP12083

Active

C21B, C21C

NLR in C21B and C21C

MP12140

Active

C22C

ALLOYS

RP12250

Active

C23C, E02B, F16H, F16J, G01R, H03M

Removal of outdated warnings

RP12311

Active

F01N

GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

MP12247

Active

F02F

CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES

MP12294

Active

F02N

Starting of combustion engines; Starting aids for such engines, not otherwise provided for

RP10485

Active

F16H

GEARING

RP11830

Active

F16M

FRAMES, CASINGS, OR BEDS OF ENGINES

RP12316

Active

F21S

Portable and non-portable lighting devices

RP12325

Active

F21V

Features of Lighting Devices

RP12426

Active

F23B

METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL

RP12295

Active

F23D

Burners

RP12411

Active

F24D, F24H

FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL

RP12292

Active

F25B

Indexing scheme associated with refrigeration machines

MP12318

Active

F25J

LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT

RP12222

Active

F41G

Sighting devices

MP12034

Active

G01C

Measuring, follow-up project

MP12705

Active

G01J, H10B, H10K, H10N

[IPC2025.01](M633) Proposals for improving the IPC - Electricity, Physics

RP12082

Active

G01N

INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

RP11803

Active

G01N

G01N 30 Chromatography

RP11980

Active

G06Q

Administration; Management (business methods CPC ONLY

RP11981

Active

G06Q

Commerce, e.g. shopping or e-commerce (CPC only)

RP11982

Active

G06Q

Finance; Insurance; Tax strategies; Processing of corporate or income taxes (CPC only)

RP12174

Active

G21B

FUSION REACTORS

MP12252

Active

H01C

Resistors

RP12035

Active

H01F

MAGNETS

MP12098

Active

H01L

Arrangements for connecting or disconnecting semiconductor or solid-state bodies

MP12386

Active

H03G

Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC

MP12387

Active

H03L

Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC

RP12306

Active

H04L

Network arrangements, protocols or services for addressing or naming

MP12721

Active

H04L

[IPC2026.01](C532) Title of group H04L12/14

RP12303

Active

H04M

Warnings at H04M

RP11832

Active

H04W

Synchronisation arrangements; Affiliation to network, e.g. registration Terminating affiliation with the network

MP12697

Active

H10

[IPC2025.01](C510) H10 Title & Glossary; Overall H01L to H10 migration